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Brian L. Leininger

Experienced, highly-trained DUI defender

Leininger Law Offices

11225 College Blvd.
Suite 110
Overland Park, KS 66210

Phone: 913-648-7070

Website: kansas-dui-lawyer.com

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About Brian L. Leininger

Brian Leininger defends those accused of DUI, driving under the influence of drugs (DUID), and DUI-related batteries and homicides. He was formerly General Counsel to the Kansas Highway Patrol and a state and municipal prosecutor. Brian is certified to administer the Standardized Field Sobriety Tests and as an SFST Instructor. He is a trained operator of the Intoxilyzer and is the only defense lawyer in Kansas, and one of few in the world, to have completed training as a Drug Recognition Expert, which is the police training used to detect DUID drivers. Brian is a frequent local and national lecturer on DUI and DUID and has been named to the Super Lawyers list every year since 2008.

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NCDD Journal

Find the latest news and announcements in our journal.

FROM OUR BLOG

Oral Fluid Testing: Roadside vs. Evidential Analyses

09/02/2025

Written by Ashley M. Hart As cannabis is being decriminalized in many states, there has been increased interest in rapid roadside tests to detect THC and other substances for intoxicated driving charges. A majority of states now have oral fluid testing in some form: roadside (presumptive) or evidential (confirmed in a lab). These states include Alabama, Alaska, Arkansas, Arizona, California, Connecticut,...

Interview With an Amicus

06/27/2025

Written by Michelle L. Behan Amicus Curiae (Latin for "Friend of the Court") refers to a brief that is filed by an interested, non-party to the matter under consideration. This is often done in cases where organizations and entities wish to provide the reviewing court with their point of view, be it social or public policy implications, or special interest agendas....

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Benefits of NCDD Membership

Members of the NCDD not only demonstrate that they are qualified DUI defense attorneys, but they have access to valuable information and resources. We provide access to documentation blood alcohol testing devices and scientific articles related to alcohol, drugs, driving, and testing.

We offer training on trial techniques and scientific testing, and we provide access to experts and a comprehensive knowledge base of cases and motions. With all of these resources at your fingertips, you will be able to win more cases

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Depending on your level of experience, we offer multiple plans for NCDD Membership. Attorneys who have been practicing for less than six years are eligible for a New Attorney membership, while those who have been practicing for over six years can receive a Seasoned Attorney membership. We also offer memberships for Public Defenders.